Answer:
200.96
Step-by-step explanation:
Area is

Where r is the radius, we can find the radius since the radius is half of the diameter. Since the diameter is 16, the radius is 8. Now let plug it in the equation.

Which equals

Use 3.14 as pi then multiply

Which is 200.96
40x7=280
Your answer is $280
Hope this helped :D
~xo Melis
N is greater than or equal to -10
Answer:
8 because 5x4=20 then u multiply 2x4